Multiple choice

Conversion of decimal number 99 to its binary number is _____

  1. 1100011

  2. 101

  3. 1110

  4. 1111
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A Correct answer
Explanation

To convert 99 from decimal to binary: 99 = 64 + 32 + 2 + 1 = 2^6 + 2^5 + 2^1 + 2^0. Writing bits from 2^6 to 2^0 (positions 6,5,4,3,2,1,0), we have 1s at positions 6,5,1,0 and 0s at positions 4,3,2, giving 1100011.

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